Home / 202,538.24-279,519.14-111,902.15

Finding the Fourth Proportional to 202,538.24, 279,519.14 and 111,902.15

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Solution

The fourth proportional to 202,538.24, 279,519.14 and 111,902.15 is: 154,434.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,538.24 : 279,519.14 = 111,902.15 : x
  2. Step 2: Convert to fraction form
    202,538.24/279,519.14 = 111,902.15/x
  3. Step 3: Cross multiply
    202,538.24x = 279,519.14 × 111,902.15
  4. Step 4: Simplify right side
    202,538.24x = 31,278,792,732.15
  5. Step 5: Solve for x
    x = 31,278,792,732.15/202,538.24
  6. Step 6: Final answer
    x = 154,434.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.